312120122132 has 36 divisors (see below), whose sum is σ = 675952464096. Its totient is φ = 123476090400.

The previous prime is 312120122123. The next prime is 312120122141. The reversal of 312120122132 is 231221021213.

It is an interprime number because it is at equal distance from previous prime (312120122123) and next prime (312120122141).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32974994 + ... + 32984457.

It is an arithmetic number, because the mean of its divisors is an integer number (18776457336).

Almost surely, 2^312120122132 is an apocalyptic number.

It is an amenable number.

312120122132 is an abundant number, since it is smaller than the sum of its proper divisors (363832341964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312120122132 is a wasteful number, since it uses less digits than its factorization.

312120122132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65959488 (or 65959473 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 312120122132 its reverse (231221021213), we get a palindrome (543341143345).

The spelling of 312120122132 in words is "three hundred twelve billion, one hundred twenty million, one hundred twenty-two thousand, one hundred thirty-two".